Massage Chair Auto-Check List - Ogawa OG8020 Maintenance Service Manual

OG8020 Massage Chair Auto-check List
STEPS OF START Automatic detection:
Service=>Technical support=>Automatic detection
code Phenomenon
Main PCB can't
03 receive signals
from 3D PCB
Signal from rolling
04 motor counting
sensor is abnormal
Some key is keep
05 press for over 45
seconds
Main PCB can't
06 receive signals
from footrest PCB.
Signals from wideth
07 inspection board is
abnormal
Malfunction description
1.Backreat cable is not
well connected.
2.Backrest cable is
broken
1. Rolling motor counting
sensor is defective.
2. Rolling motor counting
sensor is not well
connected.
3.3D PCB is defective
1.Some key on side board
is get stuck.
1.Footrest cable is not
connect good
2.Footrest cable is
disconnected
1.Wideth inspection
board is defective
2.Wideth inspection wire
is defective or not well
connected.
3.3D PCB is defective
Solutions
1.Check backrest cable
connecter. Make sure it
is perfectly
connected.
2.Change backrest
cable.
1. Change rolling motor
counting sensor.
2. Check whether
rolling motor counting
sensor is well
connected.
3.Change 3D PCB
1.Change right side
board
1.Reconnect footrest
cable
2.Change footrest
cable
1.Change wideth
inspection board
2.Change wideth
inspection board wire.
3.Change 3D PCB.
Remarks
Turn on the
chair, it
will check by
itself
Turn on the
chair, it
will check by
itself
Turn on the
chair, it
will check by
itself
Turn on the
chair, it
will check by
itself
when start
automatic
detection